Density fluids
[化] 密度液(测定矿物粉末密度所用之液体)
🧩 词语组成解析
n. 液体；流体（fluid的复数形式）
🗣️ 情景例句
Butter, nice and cold and hard.
牛油 新鲜又冷又硬。
Were it left to me to decide whether we should have a city without bikes or one without cars.
如果让我来决定我们要一个没有自行车的城市，还是要一个没的汽车的城市。
Here you are. Put them on, please. You must look after your clothes.
给你们，穿上吧！你们要好好保管你们的衣服。